
% ============================================
% |        WEIGHT ESTIMATION  TOOL           |
% |											 |
% |               Nacelle                    |
% |											 |
% ============================================

function [W_n] = WET_Torenbeek_Nacelle(N_eng, P_TO)

    % For single engine propeller driven airplanes with the nacelle in the fuselage nose    
    if N_eng == 1
    
    W_n = 2.5 *(P_TO)^0.5;
   
    end

    % For multi-engine airplane with piston engines
    if N_eng == 2
        
    W_n = 0.14 *(P_TO);
        
    end
end